/*
 * Tencent is pleased to support the open source community by making BK-CI 蓝鲸持续集成平台 available.
 *
 * Copyright (C) 2020 THL A29 Limited, a Tencent company.  All rights reserved.
 *
 * BK-CI 蓝鲸持续集成平台 is licensed under the MIT license.
 *
 * A copy of the MIT License is included in this file.
 *
 *
 * Terms of the MIT License:
 * ---------------------------------------------------
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

package com.tencent.bkrepo.monitor.controller

import com.tencent.bkrepo.monitor.config.MonitorProperties
import com.tencent.bkrepo.monitor.metrics.HealthInfo
import com.tencent.bkrepo.monitor.metrics.MetricsInfo
import com.tencent.bkrepo.monitor.processor.HealthInfoProcessor
import com.tencent.bkrepo.monitor.processor.MetricsInfoProcessor
import org.springframework.http.MediaType
import org.springframework.http.codec.ServerSentEvent
import org.springframework.web.bind.annotation.GetMapping
import org.springframework.web.bind.annotation.RequestMapping
import org.springframework.web.bind.annotation.RestController
import reactor.core.publisher.Flux
import reactor.core.publisher.Mono

@RestController
@RequestMapping("/monitor")
class MonitorController(
    private val healthInfoProcessor: HealthInfoProcessor,
    private val metricsInfoProcessor: MetricsInfoProcessor,
    private val monitorProperties: MonitorProperties
) {

    @GetMapping("/health", produces = [MediaType.TEXT_EVENT_STREAM_VALUE])
    fun healthStream(): Flux<ServerSentEvent<HealthInfo>> {
        return healthInfoProcessor.getFlux().map {
            ServerSentEvent.builder(it).event(it.name).build()
        }
    }

    @GetMapping("/metrics", produces = [MediaType.TEXT_EVENT_STREAM_VALUE])
    fun metricsStream(): Flux<ServerSentEvent<MetricsInfo>> {
        return metricsInfoProcessor.getFlux().map {
            ServerSentEvent.builder(it).event(it.name).build()
        }
    }

    @GetMapping("/config")
    fun getConfig(): Mono<MonitorProperties> = Mono.just(monitorProperties)
}
